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progress fixing unity

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This commit is contained in:
sirjonasxx 2022-02-10 06:21:02 +01:00
parent 620eb05101
commit 823f3a7e67
6 changed files with 42 additions and 23 deletions
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1
G-Earth/src/main/java/gearth/services/unity_tools/UnityWebModifyer.java
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@ -125,6 +125,7 @@ public class UnityWebModifyer {
contents = contents
.replace("var _free", "_free")
.replace("var _malloc", "_malloc")
.replace("var Module", "Module")
.replace("{{RevisionName}}", revision);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream(frameworkFile))));

6
G-Earth/src/main/java/gearth/services/unity_tools/WasmCodePatcher.java
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@ -19,12 +19,12 @@ public class WasmCodePatcher {
}
public void patch() throws IOException, InvalidOpCodeException {
Module module = new Module(file, Arrays.asList(
new SetKeyPatcher(),
Module module = new Module(file, true, Arrays.asList(
// new SetKeyPatcher(),
new ReturnBytePatcher(),
new OutgoingPacketPatcher(),
new IncomingPacketPatcher()
));
module.assembleToFile(file);
module.assembleToFile(file, true);
}
}

7
G-Earth/src/main/java/gearth/services/unity_tools/codepatcher/IncomingPacketPatcher.java
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@ -2,6 +2,10 @@ package gearth.services.unity_tools.codepatcher;
import wasm.disassembly.instructions.Instr;
import wasm.disassembly.instructions.InstrType;
import wasm.disassembly.instructions.control.IfElseInstr;
import wasm.disassembly.instructions.memory.MemArg;
import wasm.disassembly.instructions.memory.MemInstr;
import wasm.disassembly.instructions.variable.LocalVariableInstr;
import wasm.disassembly.modules.sections.code.Func;
import wasm.disassembly.modules.sections.code.Locals;
import wasm.disassembly.types.FuncType;
@ -52,6 +56,9 @@ public class IncomingPacketPatcher implements StreamReplacement {
if (instr.getInstrType() != expectedExpr.get(j)) return false;
}
if (((MemInstr)(code.getExpression().getInstructions().get(5))).getMemArg().getAlign() != 2 ||
((MemInstr)(code.getExpression().getInstructions().get(5))).getMemArg().getOffset() != 32) return false;
return true;
}

3
G-Earth/src/main/java/gearth/services/unity_tools/codepatcher/OutgoingPacketPatcher.java
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@ -2,6 +2,7 @@ package gearth.services.unity_tools.codepatcher;
import wasm.disassembly.instructions.Instr;
import wasm.disassembly.instructions.InstrType;
import wasm.disassembly.instructions.variable.LocalVariableInstr;
import wasm.disassembly.modules.sections.code.Func;
import wasm.disassembly.types.FuncType;
import wasm.disassembly.types.ResultType;
@ -45,6 +46,8 @@ public class OutgoingPacketPatcher implements StreamReplacement {
if (expression.get(4).getInstrType() != InstrType.I32_CONST) return false;
if (expression.get(5).getInstrType() != InstrType.CALL) return false;
if (((LocalVariableInstr)(expression.get(2))).getLocalIdx().getX() != 1) return false;
return true;
}
}

15
G-Earth/src/main/resources/gearth/services/unity_tools/js_code/unity_code.js
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@ -4,7 +4,7 @@ let revision = "{{RevisionName}}";
let g_ws;
let chachas = [];
let chachas = [-1, -1];
let chachaClass = -1;
let out_send_param1 = -1;
@ -20,6 +20,7 @@ let _gearth_incoming_copy;
let _malloc;
let _free;
let Module;
var packetBuff = {"out": [], "in": []};
@ -97,10 +98,10 @@ function inject_out(packet) {
let inject_amount = Math.min(_g_packet_split, packet.length - i);
let packet_location = _malloc(inject_amount + 16);
unityInstance.Module.HEAPU8.set(out_packet_objid, packet_location);
unityInstance.Module.HEAPU8.fill(0, packet_location + 4, packet_location + 12);
unityInstance.Module.HEAPU8.set(writeLittleEndian(inject_amount), packet_location + 12);
unityInstance.Module.HEAPU8.set(packet.slice(i, i + inject_amount), packet_location + 16);
Module.HEAPU8.set(out_packet_objid, packet_location);
Module.HEAPU8.fill(0, packet_location + 4, packet_location + 12);
Module.HEAPU8.set(writeLittleEndian(inject_amount), packet_location + 12);
Module.HEAPU8.set(packet.slice(i, i + inject_amount), packet_location + 16);
_gearth_outgoing_copy(out_send_param1, packet_location, out_send_param3);
_free(packet_location);
@ -128,8 +129,8 @@ function inject_in(packet) {
let inject_amount = Math.min(_g_packet_split, packet.length - i);
let packet_location = _malloc(inject_amount + 16);
unityInstance.Module.HEAPU8.set(in_packet_prefix, packet_location);
unityInstance.Module.HEAPU8.set(packet.slice(i, i + inject_amount), packet_location + 16);
Module.HEAPU8.set(in_packet_prefix, packet_location);
Module.HEAPU8.set(packet.slice(i, i + inject_amount), packet_location + 16);
_gearth_incoming_copy(in_recv_param1, packet_location, 0, inject_amount, 0);
_free(packet_location);

33
G-Earth/src/main/resources/gearth/services/unity_tools/js_code/unity_imports.js
View File

@ -1,10 +1,10 @@
function g_outgoing_packet(param1, param2, param3) {
out_send_param1 = param1;
out_send_param3 = param3;
out_packet_objid = unityInstance.Module.HEAPU8.slice(param2, param2 + 4);
out_packet_objid = Module.HEAPU8.slice(param2, param2 + 4);
let length = readLittleEndian(unityInstance.Module.HEAPU8.subarray(param2 + 12, param2 + 12 + 4));
let array = [].slice.call(unityInstance.Module.HEAPU8.subarray(param2 + 12 + 4, param2 + 12 + 4 + length));
let length = readLittleEndian(Module.HEAPU8.subarray(param2 + 12, param2 + 12 + 4));
let array = [].slice.call(Module.HEAPU8.subarray(param2 + 12 + 4, param2 + 12 + 4 + length));
packetBuff["out"] = packetBuff["out"].concat(array);
@ -15,9 +15,9 @@ function g_outgoing_packet(param1, param2, param3) {
function g_incoming_packet(param1, param2, param3, param4, param5) {
in_recv_param1 = param1;
in_packet_prefix = unityInstance.Module.HEAPU8.slice(param2, param2 + 16);
in_packet_prefix = Module.HEAPU8.slice(param2, param2 + 16);
let buffer = unityInstance.Module.HEAPU8.slice(param2 + 16, param2 + 16 + param4);
let buffer = Module.HEAPU8.slice(param2 + 16, param2 + 16 + param4);
packetBuff["in"] = packetBuff["in"].concat([].slice.call(buffer));
let packets = collect_packets("in");
@ -30,20 +30,27 @@ function g_incoming_packet(param1, param2, param3, param4, param5) {
}
}
function g_chacha_setkey(param1, param2, param3, param4) {
if (chachas.length === 2) {
chachas = [];
}
chachas.push(param1);
}
// function g_chacha_setkey(param1, param2, param3, param4) {
// if (chachas.length === 2) {
// chachas = [];
// }
//
// chachas.push(param1);
// }
function g_chacha_returnbyte(param1, param2, param3) {
console.log("hi");
chachaClass = param3;
if (chachas[0] === -1) {
chachas[0] = param1;
}
else if (chachas[1] === -1 && chachas[0] !== param1) {
chachas[1] = param1;
}
return param2;
}
env["g_outgoing_packet"] = g_outgoing_packet;
env["g_incoming_packet"] = g_incoming_packet;
env["g_chacha_setkey"] = g_chacha_setkey;
// env["g_chacha_setkey"] = g_chacha_setkey;
env["g_chacha_returnbyte"] = g_chacha_returnbyte;